Home / 42,068.41-63,088.97-13,980.92

Finding the Fourth Proportional to 42,068.41, 63,088.97 and 13,980.92

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Solution

The fourth proportional to 42,068.41, 63,088.97 and 13,980.92 is: 20,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,068.41 : 63,088.97 = 13,980.92 : x
  2. Step 2: Convert to fraction form
    42,068.41/63,088.97 = 13,980.92/x
  3. Step 3: Cross multiply
    42,068.41x = 63,088.97 × 13,980.92
  4. Step 4: Simplify right side
    42,068.41x = 882,041,457.10
  5. Step 5: Solve for x
    x = 882,041,457.10/42,068.41
  6. Step 6: Final answer
    x = 20,966.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.